Bug 2515840 (CVE-2026-56859) - CVE-2026-56859 encoding/xml: golang: Go: Denial of Service via XML decoding recursion depth issue
Summary: CVE-2026-56859 encoding/xml: golang: Go: Denial of Service via XML decoding r...
Keywords:
Status: NEW
Alias: CVE-2026-56859
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2530992 2531900
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-08-13 22:25 UTC by OSIDB Bzimport
Modified: 2026-10-01 22:38 UTC (History)
178 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2026:60304 0 None None None 2026-08-26 13:56:11 UTC
Red Hat Product Errata RHSA-2026:60305 0 None None None 2026-08-26 13:55:18 UTC
Red Hat Product Errata RHSA-2026:60306 0 None None None 2026-08-26 13:42:23 UTC
Red Hat Product Errata RHSA-2026:61882 0 None None None 2026-09-01 05:39:35 UTC
Red Hat Product Errata RHSA-2026:62404 0 None None None 2026-09-02 06:34:31 UTC
Red Hat Product Errata RHSA-2026:62405 0 None None None 2026-09-02 06:26:55 UTC
Red Hat Product Errata RHSA-2026:62406 0 None None None 2026-09-02 07:10:43 UTC
Red Hat Product Errata RHSA-2026:62407 0 None None None 2026-09-02 06:46:44 UTC
Red Hat Product Errata RHSA-2026:62602 0 None None None 2026-09-02 12:19:07 UTC
Red Hat Product Errata RHSA-2026:62631 0 None None None 2026-09-02 14:07:20 UTC
Red Hat Product Errata RHSA-2026:62753 0 None None None 2026-09-02 16:56:30 UTC
Red Hat Product Errata RHSA-2026:62754 0 None None None 2026-09-02 16:39:58 UTC
Red Hat Product Errata RHSA-2026:62803 0 None None None 2026-09-02 19:14:04 UTC
Red Hat Product Errata RHSA-2026:63022 0 None None None 2026-09-03 05:31:56 UTC
Red Hat Product Errata RHSA-2026:63163 0 None None None 2026-09-04 01:00:27 UTC
Red Hat Product Errata RHSA-2026:65116 0 None None None 2026-09-08 08:03:11 UTC
Red Hat Product Errata RHSA-2026:65117 0 None None None 2026-09-08 10:06:53 UTC
Red Hat Product Errata RHSA-2026:65153 0 None None None 2026-09-08 11:46:17 UTC
Red Hat Product Errata RHSA-2026:65335 0 None None None 2026-09-08 10:45:14 UTC
Red Hat Product Errata RHSA-2026:65336 0 None None None 2026-09-08 11:16:18 UTC
Red Hat Product Errata RHSA-2026:65359 0 None None None 2026-09-08 11:34:56 UTC
Red Hat Product Errata RHSA-2026:65534 0 None None None 2026-09-08 17:05:24 UTC
Red Hat Product Errata RHSA-2026:65880 0 None None None 2026-09-09 09:44:34 UTC
Red Hat Product Errata RHSA-2026:65886 0 None None None 2026-09-09 10:40:31 UTC
Red Hat Product Errata RHSA-2026:65895 0 None None None 2026-09-09 10:50:26 UTC
Red Hat Product Errata RHSA-2026:65918 0 None None None 2026-09-09 11:47:16 UTC
Red Hat Product Errata RHSA-2026:66016 0 None None None 2026-09-09 15:03:32 UTC
Red Hat Product Errata RHSA-2026:66327 0 None None None 2026-09-10 05:33:18 UTC
Red Hat Product Errata RHSA-2026:66350 0 None None None 2026-09-15 09:23:12 UTC
Red Hat Product Errata RHSA-2026:66356 0 None None None 2026-09-15 09:17:50 UTC
Red Hat Product Errata RHSA-2026:66375 0 None None None 2026-09-15 09:26:37 UTC
Red Hat Product Errata RHSA-2026:67128 0 None None None 2026-09-14 13:39:25 UTC
Red Hat Product Errata RHSA-2026:67153 0 None None None 2026-09-14 13:38:15 UTC
Red Hat Product Errata RHSA-2026:67313 0 None None None 2026-09-14 13:26:16 UTC
Red Hat Product Errata RHSA-2026:67319 0 None None None 2026-09-14 14:18:11 UTC
Red Hat Product Errata RHSA-2026:67464 0 None None None 2026-09-14 20:55:05 UTC
Red Hat Product Errata RHSA-2026:67517 0 None None None 2026-09-15 09:25:24 UTC
Red Hat Product Errata RHSA-2026:67518 0 None None None 2026-09-15 09:38:53 UTC
Red Hat Product Errata RHSA-2026:67934 0 None None None 2026-09-24 10:56:40 UTC
Red Hat Product Errata RHSA-2026:67974 0 None None None 2026-09-16 12:22:11 UTC
Red Hat Product Errata RHSA-2026:67975 0 None None None 2026-09-16 12:36:38 UTC
Red Hat Product Errata RHSA-2026:68333 0 None None None 2026-09-16 17:18:31 UTC
Red Hat Product Errata RHSA-2026:68334 0 None None None 2026-09-16 17:22:36 UTC
Red Hat Product Errata RHSA-2026:68335 0 None None None 2026-09-16 17:20:02 UTC
Red Hat Product Errata RHSA-2026:68504 0 None None None 2026-09-17 04:33:11 UTC
Red Hat Product Errata RHSA-2026:68527 0 None None None 2026-09-17 06:32:49 UTC
Red Hat Product Errata RHSA-2026:68534 0 None None None 2026-09-23 13:20:17 UTC
Red Hat Product Errata RHSA-2026:69099 0 None None None 2026-09-21 02:43:27 UTC
Red Hat Product Errata RHSA-2026:69235 0 None None None 2026-09-21 06:30:32 UTC
Red Hat Product Errata RHSA-2026:69308 0 None None None 2026-09-21 15:51:29 UTC
Red Hat Product Errata RHSA-2026:69961 0 None None None 2026-09-22 18:29:32 UTC
Red Hat Product Errata RHSA-2026:70103 0 None None None 2026-09-22 10:57:11 UTC
Red Hat Product Errata RHSA-2026:70201 0 None None None 2026-09-22 13:58:57 UTC
Red Hat Product Errata RHSA-2026:70585 0 None None None 2026-10-01 12:34:03 UTC
Red Hat Product Errata RHSA-2026:70614 0 None None None 2026-10-01 22:38:35 UTC
Red Hat Product Errata RHSA-2026:70645 0 None None None 2026-10-01 17:08:29 UTC
Red Hat Product Errata RHSA-2026:71112 0 None None None 2026-09-23 20:42:36 UTC
Red Hat Product Errata RHSA-2026:71113 0 None None None 2026-09-23 20:50:34 UTC
Red Hat Product Errata RHSA-2026:71114 0 None None None 2026-09-23 21:07:19 UTC
Red Hat Product Errata RHSA-2026:71420 0 None None None 2026-09-24 07:49:15 UTC
Red Hat Product Errata RHSA-2026:71443 0 None None None 2026-09-29 11:26:03 UTC
Red Hat Product Errata RHSA-2026:71445 0 None None None 2026-09-29 09:04:43 UTC
Red Hat Product Errata RHSA-2026:72276 0 None None None 2026-09-28 02:00:35 UTC

Description OSIDB Bzimport 2026-08-13 22:25:14 UTC 
Previously, DecodeElement would reset the depth counter causing it to never fire; this could lead to stack exhaustion.
Comment 7 errata-xmlrpc 2026-08-26 13:42:16 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:60306 https://access.redhat.com/errata/RHSA-2026:60306
Comment 8 errata-xmlrpc 2026-08-26 13:55:10 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:60305 https://access.redhat.com/errata/RHSA-2026:60305
Comment 9 errata-xmlrpc 2026-08-26 13:56:03 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:60304 https://access.redhat.com/errata/RHSA-2026:60304
Comment 10 errata-xmlrpc 2026-09-01 05:39:28 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10.0 Extended Update Support

Via RHSA-2026:61882 https://access.redhat.com/errata/RHSA-2026:61882
Comment 11 errata-xmlrpc 2026-09-02 06:26:48 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions

Via RHSA-2026:62405 https://access.redhat.com/errata/RHSA-2026:62405
Comment 12 errata-xmlrpc 2026-09-02 06:34:24 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.6 Extended Update Support

Via RHSA-2026:62404 https://access.redhat.com/errata/RHSA-2026:62404
Comment 13 errata-xmlrpc 2026-09-02 06:46:37 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:62407 https://access.redhat.com/errata/RHSA-2026:62407
Comment 14 errata-xmlrpc 2026-09-02 07:10:36 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:62406 https://access.redhat.com/errata/RHSA-2026:62406
Comment 15 errata-xmlrpc 2026-09-02 12:18:59 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions

Via RHSA-2026:62602 https://access.redhat.com/errata/RHSA-2026:62602
Comment 16 errata-xmlrpc 2026-09-02 14:07:12 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:62631 https://access.redhat.com/errata/RHSA-2026:62631
Comment 17 errata-xmlrpc 2026-09-02 16:39:50 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions

Via RHSA-2026:62754 https://access.redhat.com/errata/RHSA-2026:62754
Comment 18 errata-xmlrpc 2026-09-02 16:56:24 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions

Via RHSA-2026:62753 https://access.redhat.com/errata/RHSA-2026:62753
Comment 19 errata-xmlrpc 2026-09-02 19:13:56 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.6 Extended Update Support

Via RHSA-2026:62803 https://access.redhat.com/errata/RHSA-2026:62803
Comment 20 errata-xmlrpc 2026-09-03 05:31:49 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:63022 https://access.redhat.com/errata/RHSA-2026:63022
Comment 21 errata-xmlrpc 2026-09-04 01:00:19 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:63163 https://access.redhat.com/errata/RHSA-2026:63163
Comment 22 errata-xmlrpc 2026-09-08 08:03:04 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:65116 https://access.redhat.com/errata/RHSA-2026:65116
Comment 23 errata-xmlrpc 2026-09-08 10:06:46 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:65117 https://access.redhat.com/errata/RHSA-2026:65117
Comment 24 errata-xmlrpc 2026-09-08 10:45:07 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10.0 Extended Update Support

Via RHSA-2026:65335 https://access.redhat.com/errata/RHSA-2026:65335
Comment 25 errata-xmlrpc 2026-09-08 11:16:12 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.6 Extended Update Support

Via RHSA-2026:65336 https://access.redhat.com/errata/RHSA-2026:65336
Comment 26 errata-xmlrpc 2026-09-08 11:34:50 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions

Via RHSA-2026:65359 https://access.redhat.com/errata/RHSA-2026:65359
Comment 27 errata-xmlrpc 2026-09-08 11:46:11 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:65153 https://access.redhat.com/errata/RHSA-2026:65153
Comment 28 errata-xmlrpc 2026-09-08 17:05:18 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:65534 https://access.redhat.com/errata/RHSA-2026:65534
Comment 29 errata-xmlrpc 2026-09-09 09:44:28 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions

Via RHSA-2026:65880 https://access.redhat.com/errata/RHSA-2026:65880
Comment 30 errata-xmlrpc 2026-09-09 10:40:26 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:65886 https://access.redhat.com/errata/RHSA-2026:65886
Comment 31 errata-xmlrpc 2026-09-09 10:50:18 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:65895 https://access.redhat.com/errata/RHSA-2026:65895
Comment 32 errata-xmlrpc 2026-09-09 11:47:10 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10.0 Extended Update Support

Via RHSA-2026:65918 https://access.redhat.com/errata/RHSA-2026:65918
Comment 33 errata-xmlrpc 2026-09-09 15:03:24 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:66016 https://access.redhat.com/errata/RHSA-2026:66016
Comment 34 errata-xmlrpc 2026-09-10 05:33:10 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10.0 Extended Update Support

Via RHSA-2026:66327 https://access.redhat.com/errata/RHSA-2026:66327
Comment 36 Jon Orris 2026-09-14 13:26:07 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions

Via RHSA-2026:67313 https://access.redhat.com/errata/RHSA-2026:67313
Comment 37 Jon Orris 2026-09-14 13:38:06 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions

Via RHSA-2026:67153 https://access.redhat.com/errata/RHSA-2026:67153
Comment 38 Jon Orris 2026-09-14 13:39:16 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.6 Extended Update Support

Via RHSA-2026:67128 https://access.redhat.com/errata/RHSA-2026:67128
Comment 39 Jon Orris 2026-09-14 14:18:01 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions

Via RHSA-2026:67319 https://access.redhat.com/errata/RHSA-2026:67319
Comment 40 Jon Orris 2026-09-14 20:54:58 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:67464 https://access.redhat.com/errata/RHSA-2026:67464
Comment 41 Jon Orris 2026-09-15 09:17:41 UTC 
This issue has been addressed in the following products:

  Red Hat OpenShift Container Platform 4.22

Via RHSA-2026:66356 https://access.redhat.com/errata/RHSA-2026:66356
Comment 42 Jon Orris 2026-09-15 09:23:04 UTC 
This issue has been addressed in the following products:

  Red Hat OpenShift Container Platform 4.21

Via RHSA-2026:66350 https://access.redhat.com/errata/RHSA-2026:66350
Comment 43 Jon Orris 2026-09-15 09:25:17 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10.0 Extended Update Support

Via RHSA-2026:67517 https://access.redhat.com/errata/RHSA-2026:67517
Comment 44 Jon Orris 2026-09-15 09:26:29 UTC 
This issue has been addressed in the following products:

  Red Hat OpenShift Container Platform 4.20

Via RHSA-2026:66375 https://access.redhat.com/errata/RHSA-2026:66375
Comment 45 Jon Orris 2026-09-15 09:38:44 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.6 Extended Update Support

Via RHSA-2026:67518 https://access.redhat.com/errata/RHSA-2026:67518
Comment 46 Jon Orris 2026-09-16 12:22:02 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10.0 Extended Update Support

Via RHSA-2026:67974 https://access.redhat.com/errata/RHSA-2026:67974
Comment 47 Jon Orris 2026-09-16 12:36:29 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.6 Extended Update Support

Via RHSA-2026:67975 https://access.redhat.com/errata/RHSA-2026:67975
Comment 48 Jon Orris 2026-09-16 17:18:22 UTC 
This issue has been addressed in the following products:

  Cryostat 4 on RHEL 9

Via RHSA-2026:68333 https://access.redhat.com/errata/RHSA-2026:68333
Comment 49 Jon Orris 2026-09-16 17:19:53 UTC 
This issue has been addressed in the following products:

  RHEM 1.2 for RHEL 10
  RHEM 1.2 for RHEL 9

Via RHSA-2026:68335 https://access.redhat.com/errata/RHSA-2026:68335
Comment 50 Jon Orris 2026-09-16 17:22:29 UTC 
This issue has been addressed in the following products:

  RHEM 1.1 for RHEL 10
  RHEM 1.1 for RHEL 9

Via RHSA-2026:68334 https://access.redhat.com/errata/RHSA-2026:68334
Comment 51 Jon Orris 2026-09-17 04:33:02 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions
  Red Hat Enterprise Linux 8.8 Telecommunications Update Service

Via RHSA-2026:68504 https://access.redhat.com/errata/RHSA-2026:68504
Comment 52 Jon Orris 2026-09-17 06:32:41 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions

Via RHSA-2026:68527 https://access.redhat.com/errata/RHSA-2026:68527
Comment 53 Jon Orris 2026-09-21 02:43:19 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:69099 https://access.redhat.com/errata/RHSA-2026:69099
Comment 54 Jon Orris 2026-09-21 06:30:24 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support
  Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On

Via RHSA-2026:69235 https://access.redhat.com/errata/RHSA-2026:69235
Comment 55 Jon Orris 2026-09-21 15:51:21 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:69308 https://access.redhat.com/errata/RHSA-2026:69308
Comment 56 Jon Orris 2026-09-22 10:57:02 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10.0 Extended Update Support

Via RHSA-2026:70103 https://access.redhat.com/errata/RHSA-2026:70103
Comment 57 Jon Orris 2026-09-22 13:58:48 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:70201 https://access.redhat.com/errata/RHSA-2026:70201
Comment 58 Jon Orris 2026-09-22 18:29:22 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:69961 https://access.redhat.com/errata/RHSA-2026:69961
Comment 59 Jon Orris 2026-09-23 13:20:08 UTC 
This issue has been addressed in the following products:

  Red Hat OpenShift Container Platform 4.19

Via RHSA-2026:68534 https://access.redhat.com/errata/RHSA-2026:68534
Comment 60 Jon Orris 2026-09-23 20:42:26 UTC 
This issue has been addressed in the following products:

  Red Hat Ansible Automation Platform 2.7 for RHEL 10
  Red Hat Ansible Automation Platform 2.7 for RHEL 9

Via RHSA-2026:71112 https://access.redhat.com/errata/RHSA-2026:71112
Comment 61 Jon Orris 2026-09-23 20:50:26 UTC 
This issue has been addressed in the following products:

  Red Hat Ansible Automation Platform 2.6 for RHEL 10
  Red Hat Ansible Automation Platform 2.6 for RHEL 9

Via RHSA-2026:71113 https://access.redhat.com/errata/RHSA-2026:71113
Comment 62 Jon Orris 2026-09-23 21:07:10 UTC 
This issue has been addressed in the following products:

  Red Hat Ansible Automation Platform 2.5 for RHEL 9
  Red Hat Ansible Automation Platform 2.5 for RHEL 8

Via RHSA-2026:71114 https://access.redhat.com/errata/RHSA-2026:71114
Comment 63 Jon Orris 2026-09-24 07:49:06 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10.0 Extended Update Support

Via RHSA-2026:71420 https://access.redhat.com/errata/RHSA-2026:71420
Comment 64 Jon Orris 2026-09-24 10:56:29 UTC 
This issue has been addressed in the following products:

  Red Hat OpenShift Container Platform 4.16

Via RHSA-2026:67934 https://access.redhat.com/errata/RHSA-2026:67934
Comment 65 Jon Orris 2026-09-28 02:00:26 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions

Via RHSA-2026:72276 https://access.redhat.com/errata/RHSA-2026:72276
Comment 66 Jon Orris 2026-09-29 09:04:34 UTC 
This issue has been addressed in the following products:

  Red Hat OpenShift Container Platform 4.22

Via RHSA-2026:71445 https://access.redhat.com/errata/RHSA-2026:71445
Comment 67 Jon Orris 2026-09-29 11:25:53 UTC 
This issue has been addressed in the following products:

  Red Hat OpenShift Container Platform 4.21

Via RHSA-2026:71443 https://access.redhat.com/errata/RHSA-2026:71443
Comment 68 Jon Orris 2026-10-01 12:33:53 UTC 
This issue has been addressed in the following products:

  Red Hat OpenShift Container Platform 4.17

Via RHSA-2026:70585 https://access.redhat.com/errata/RHSA-2026:70585
Comment 69 Jon Orris 2026-10-01 17:08:19 UTC 
This issue has been addressed in the following products:

  Red Hat OpenShift Container Platform 4.12

Via RHSA-2026:70645 https://access.redhat.com/errata/RHSA-2026:70645
Comment 70 Jon Orris 2026-10-01 22:38:26 UTC 
This issue has been addressed in the following products:

  Red Hat OpenShift Container Platform 4.18

Via RHSA-2026:70614 https://access.redhat.com/errata/RHSA-2026:70614
Note You need to log in before you can comment on or make changes to this bug.